19738320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:433

約数の個数: 160

約数和(自身を含む): 72376320

約数和(自身を除く): 52638000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 379, 420, 434, 465, 496, 560, 620, 651, 744, 758, 840, 868, 930, 1085, 1137, 1240, 1302, 1488, 1516, 1680, 1736, 1860, 1895, 2170, 2274, 2480, 2604, 2653, 3032, 3255, 3472, 3720, 3790, 4340, 4548, 5208, 5306, 5685, 6064, 6510, 7440, 7580, 7959, 8680, 9096, 10416, 10612, 11370, 11749, 13020, 13265, 15160, 15918, 17360, 18192, 21224, 22740, 23498, 26040, 26530, 30320, 31836, 35247, 39795, 42448, 45480, 46996, 52080, 53060, 58745, 63672, 70494, 79590, 82243, 90960, 93992, 106120, 117490, 127344, 140988, 159180, 164486, 176235, 187984, 212240, 234980, 246729, 281976, 318360, 328972, 352470, 411215, 469960, 493458, 563952, 636720, 657944, 704940, 822430, 939920, 986916, 1233645, 1315888, 1409880, 1644860, 1973832, 2467290, 2819760, 3289720, 3947664, 4934580, 6579440, 9869160, 19738320]

約数ペア:

[(1, 19738320), (2, 9869160), (3, 6579440), (4, 4934580), (5, 3947664), (6, 3289720), (7, 2819760), (8, 2467290), (10, 1973832), (12, 1644860), (14, 1409880), (15, 1315888), (16, 1233645), (20, 986916), (21, 939920), (24, 822430), (28, 704940), (30, 657944), (31, 636720), (35, 563952), (40, 493458), (42, 469960), (48, 411215), (56, 352470), (60, 328972), (62, 318360), (70, 281976), (80, 246729), (84, 234980), (93, 212240), (105, 187984), (112, 176235), (120, 164486), (124, 159180), (140, 140988), (155, 127344), (168, 117490), (186, 106120), (210, 93992), (217, 90960), (240, 82243), (248, 79590), (280, 70494), (310, 63672), (336, 58745), (372, 53060), (379, 52080), (420, 46996), (434, 45480), (465, 42448), (496, 39795), (560, 35247), (620, 31836), (651, 30320), (744, 26530), (758, 26040), (840, 23498), (868, 22740), (930, 21224), (1085, 18192), (1137, 17360), (1240, 15918), (1302, 15160), (1488, 13265), (1516, 13020), (1680, 11749), (1736, 11370), (1860, 10612), (1895, 10416), (2170, 9096), (2274, 8680), (2480, 7959), (2604, 7580), (2653, 7440), (3032, 6510), (3255, 6064), (3472, 5685), (3720, 5306), (3790, 5208), (4340, 4548)]