19916910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 37871730

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 87, 90, 117, 130, 145, 174, 195, 234, 261, 290, 377, 390, 435, 522, 585, 587, 754, 870, 1131, 1170, 1174, 1305, 1761, 1885, 2262, 2610, 2935, 3393, 3522, 3770, 5283, 5655, 5870, 6786, 7631, 8805, 10566, 11310, 15262, 16965, 17023, 17610, 22893, 26415, 33930, 34046, 38155, 45786, 51069, 52830, 68679, 76310, 85115, 102138, 114465, 137358, 153207, 170230, 221299, 228930, 255345, 306414, 343395, 442598, 510690, 663897, 686790, 766035, 1106495, 1327794, 1532070, 1991691, 2212990, 3319485, 3983382, 6638970, 9958455, 19916910]

約数ペア:

[(1, 19916910), (2, 9958455), (3, 6638970), (5, 3983382), (6, 3319485), (9, 2212990), (10, 1991691), (13, 1532070), (15, 1327794), (18, 1106495), (26, 766035), (29, 686790), (30, 663897), (39, 510690), (45, 442598), (58, 343395), (65, 306414), (78, 255345), (87, 228930), (90, 221299), (117, 170230), (130, 153207), (145, 137358), (174, 114465), (195, 102138), (234, 85115), (261, 76310), (290, 68679), (377, 52830), (390, 51069), (435, 45786), (522, 38155), (585, 34046), (587, 33930), (754, 26415), (870, 22893), (1131, 17610), (1170, 17023), (1174, 16965), (1305, 15262), (1761, 11310), (1885, 10566), (2262, 8805), (2610, 7631), (2935, 6786), (3393, 5870), (3522, 5655), (3770, 5283)]