17909580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22961}}^1$

素因数の和:22986

約数の個数: 48

約数和(自身を含む): 54006624

約数和(自身を除く): 36097044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 22961, 45922, 68883, 91844, 114805, 137766, 229610, 275532, 298493, 344415, 459220, 596986, 688830, 895479, 1193972, 1377660, 1492465, 1790958, 2984930, 3581916, 4477395, 5969860, 8954790, 17909580]

約数ペア:

[(1, 17909580), (2, 8954790), (3, 5969860), (4, 4477395), (5, 3581916), (6, 2984930), (10, 1790958), (12, 1492465), (13, 1377660), (15, 1193972), (20, 895479), (26, 688830), (30, 596986), (39, 459220), (52, 344415), (60, 298493), (65, 275532), (78, 229610), (130, 137766), (156, 114805), (195, 91844), (260, 68883), (390, 45922), (780, 22961)]