19783920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 70120512

約数和(自身を除く): 50336592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 373, 390, 408, 442, 510, 520, 624, 663, 680, 746, 780, 816, 884, 1020, 1040, 1105, 1119, 1326, 1360, 1492, 1560, 1768, 1865, 2040, 2210, 2238, 2652, 2984, 3120, 3315, 3536, 3730, 4080, 4420, 4476, 4849, 5304, 5595, 5968, 6341, 6630, 7460, 8840, 8952, 9698, 10608, 11190, 12682, 13260, 14547, 14920, 17680, 17904, 19023, 19396, 22380, 24245, 25364, 26520, 29094, 29840, 31705, 38046, 38792, 44760, 48490, 50728, 53040, 58188, 63410, 72735, 76092, 77584, 82433, 89520, 95115, 96980, 101456, 116376, 126820, 145470, 152184, 164866, 190230, 193960, 232752, 247299, 253640, 290940, 304368, 329732, 380460, 387920, 412165, 494598, 507280, 581880, 659464, 760920, 824330, 989196, 1163760, 1236495, 1318928, 1521840, 1648660, 1978392, 2472990, 3297320, 3956784, 4945980, 6594640, 9891960, 19783920]

約数ペア:

[(1, 19783920), (2, 9891960), (3, 6594640), (4, 4945980), (5, 3956784), (6, 3297320), (8, 2472990), (10, 1978392), (12, 1648660), (13, 1521840), (15, 1318928), (16, 1236495), (17, 1163760), (20, 989196), (24, 824330), (26, 760920), (30, 659464), (34, 581880), (39, 507280), (40, 494598), (48, 412165), (51, 387920), (52, 380460), (60, 329732), (65, 304368), (68, 290940), (78, 253640), (80, 247299), (85, 232752), (102, 193960), (104, 190230), (120, 164866), (130, 152184), (136, 145470), (156, 126820), (170, 116376), (195, 101456), (204, 96980), (208, 95115), (221, 89520), (240, 82433), (255, 77584), (260, 76092), (272, 72735), (312, 63410), (340, 58188), (373, 53040), (390, 50728), (408, 48490), (442, 44760), (510, 38792), (520, 38046), (624, 31705), (663, 29840), (680, 29094), (746, 26520), (780, 25364), (816, 24245), (884, 22380), (1020, 19396), (1040, 19023), (1105, 17904), (1119, 17680), (1326, 14920), (1360, 14547), (1492, 13260), (1560, 12682), (1768, 11190), (1865, 10608), (2040, 9698), (2210, 8952), (2238, 8840), (2652, 7460), (2984, 6630), (3120, 6341), (3315, 5968), (3536, 5595), (3730, 5304), (4080, 4849), (4420, 4476)]