19639920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 66067200

約数和(自身を除く): 46427280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 59, 60, 73, 76, 80, 95, 114, 118, 120, 146, 152, 177, 190, 219, 228, 236, 240, 285, 292, 295, 304, 354, 365, 380, 438, 456, 472, 570, 584, 590, 708, 730, 760, 876, 885, 912, 944, 1095, 1121, 1140, 1168, 1180, 1387, 1416, 1460, 1520, 1752, 1770, 2190, 2242, 2280, 2360, 2774, 2832, 2920, 3363, 3504, 3540, 4161, 4307, 4380, 4484, 4560, 4720, 5548, 5605, 5840, 6726, 6935, 7080, 8322, 8614, 8760, 8968, 11096, 11210, 12921, 13452, 13870, 14160, 16644, 16815, 17228, 17520, 17936, 20805, 21535, 22192, 22420, 25842, 26904, 27740, 33288, 33630, 34456, 41610, 43070, 44840, 51684, 53808, 55480, 64605, 66576, 67260, 68912, 81833, 83220, 86140, 89680, 103368, 110960, 129210, 134520, 163666, 166440, 172280, 206736, 245499, 258420, 269040, 327332, 332880, 344560, 409165, 490998, 516840, 654664, 818330, 981996, 1033680, 1227495, 1309328, 1636660, 1963992, 2454990, 3273320, 3927984, 4909980, 6546640, 9819960, 19639920]

約数ペア:

[(1, 19639920), (2, 9819960), (3, 6546640), (4, 4909980), (5, 3927984), (6, 3273320), (8, 2454990), (10, 1963992), (12, 1636660), (15, 1309328), (16, 1227495), (19, 1033680), (20, 981996), (24, 818330), (30, 654664), (38, 516840), (40, 490998), (48, 409165), (57, 344560), (59, 332880), (60, 327332), (73, 269040), (76, 258420), (80, 245499), (95, 206736), (114, 172280), (118, 166440), (120, 163666), (146, 134520), (152, 129210), (177, 110960), (190, 103368), (219, 89680), (228, 86140), (236, 83220), (240, 81833), (285, 68912), (292, 67260), (295, 66576), (304, 64605), (354, 55480), (365, 53808), (380, 51684), (438, 44840), (456, 43070), (472, 41610), (570, 34456), (584, 33630), (590, 33288), (708, 27740), (730, 26904), (760, 25842), (876, 22420), (885, 22192), (912, 21535), (944, 20805), (1095, 17936), (1121, 17520), (1140, 17228), (1168, 16815), (1180, 16644), (1387, 14160), (1416, 13870), (1460, 13452), (1520, 12921), (1752, 11210), (1770, 11096), (2190, 8968), (2242, 8760), (2280, 8614), (2360, 8322), (2774, 7080), (2832, 6935), (2920, 6726), (3363, 5840), (3504, 5605), (3540, 5548), (4161, 4720), (4307, 4560), (4380, 4484)]