19608650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 41113440

約数和(自身を除く): 21504790

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 59, 85, 115, 118, 170, 230, 289, 295, 391, 425, 575, 578, 590, 782, 850, 1003, 1150, 1357, 1445, 1475, 1955, 2006, 2714, 2890, 2950, 3910, 5015, 6647, 6785, 7225, 9775, 10030, 13294, 13570, 14450, 17051, 19550, 23069, 25075, 33235, 33925, 34102, 46138, 50150, 66470, 67850, 85255, 115345, 166175, 170510, 230690, 332350, 392173, 426275, 576725, 784346, 852550, 1153450, 1960865, 3921730, 9804325, 19608650]

約数ペア:

[(1, 19608650), (2, 9804325), (5, 3921730), (10, 1960865), (17, 1153450), (23, 852550), (25, 784346), (34, 576725), (46, 426275), (50, 392173), (59, 332350), (85, 230690), (115, 170510), (118, 166175), (170, 115345), (230, 85255), (289, 67850), (295, 66470), (391, 50150), (425, 46138), (575, 34102), (578, 33925), (590, 33235), (782, 25075), (850, 23069), (1003, 19550), (1150, 17051), (1357, 14450), (1445, 13570), (1475, 13294), (1955, 10030), (2006, 9775), (2714, 7225), (2890, 6785), (2950, 6647), (3910, 5015)]