17973650

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 34872768

約数和(自身を除く): 16899118

約数列:

[1, 2, 5, 10, 25, 50, 61, 71, 83, 122, 142, 166, 305, 355, 415, 610, 710, 830, 1525, 1775, 2075, 3050, 3550, 4150, 4331, 5063, 5893, 8662, 10126, 11786, 21655, 25315, 29465, 43310, 50630, 58930, 108275, 126575, 147325, 216550, 253150, 294650, 359473, 718946, 1797365, 3594730, 8986825, 17973650]

約数ペア:

[(1, 17973650), (2, 8986825), (5, 3594730), (10, 1797365), (25, 718946), (50, 359473), (61, 294650), (71, 253150), (83, 216550), (122, 147325), (142, 126575), (166, 108275), (305, 58930), (355, 50630), (415, 43310), (610, 29465), (710, 25315), (830, 21655), (1525, 11786), (1775, 10126), (2075, 8662), (3050, 5893), (3550, 5063), (4150, 4331)]