19685940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 37891020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 67, 83, 118, 134, 166, 177, 201, 236, 249, 268, 295, 332, 335, 354, 402, 415, 498, 590, 670, 708, 804, 830, 885, 996, 1005, 1180, 1245, 1340, 1660, 1770, 2010, 2490, 3540, 3953, 4020, 4897, 4980, 5561, 7906, 9794, 11122, 11859, 14691, 15812, 16683, 19588, 19765, 22244, 23718, 24485, 27805, 29382, 33366, 39530, 47436, 48970, 55610, 58764, 59295, 66732, 73455, 79060, 83415, 97940, 111220, 118590, 146910, 166830, 237180, 293820, 328099, 333660, 656198, 984297, 1312396, 1640495, 1968594, 3280990, 3937188, 4921485, 6561980, 9842970, 19685940]

約数ペア:

[(1, 19685940), (2, 9842970), (3, 6561980), (4, 4921485), (5, 3937188), (6, 3280990), (10, 1968594), (12, 1640495), (15, 1312396), (20, 984297), (30, 656198), (59, 333660), (60, 328099), (67, 293820), (83, 237180), (118, 166830), (134, 146910), (166, 118590), (177, 111220), (201, 97940), (236, 83415), (249, 79060), (268, 73455), (295, 66732), (332, 59295), (335, 58764), (354, 55610), (402, 48970), (415, 47436), (498, 39530), (590, 33366), (670, 29382), (708, 27805), (804, 24485), (830, 23718), (885, 22244), (996, 19765), (1005, 19588), (1180, 16683), (1245, 15812), (1340, 14691), (1660, 11859), (1770, 11122), (2010, 9794), (2490, 7906), (3540, 5561), (3953, 4980), (4020, 4897)]