18943100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 47528208

約数和(自身を除く): 28585108

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1013, 1100, 1700, 1870, 2026, 3740, 4052, 4675, 5065, 9350, 10130, 11143, 17221, 18700, 20260, 22286, 25325, 34442, 44572, 50650, 55715, 68884, 86105, 101300, 111430, 172210, 189431, 222860, 278575, 344420, 378862, 430525, 557150, 757724, 861050, 947155, 1114300, 1722100, 1894310, 3788620, 4735775, 9471550, 18943100]

約数ペア:

[(1, 18943100), (2, 9471550), (4, 4735775), (5, 3788620), (10, 1894310), (11, 1722100), (17, 1114300), (20, 947155), (22, 861050), (25, 757724), (34, 557150), (44, 430525), (50, 378862), (55, 344420), (68, 278575), (85, 222860), (100, 189431), (110, 172210), (170, 111430), (187, 101300), (220, 86105), (275, 68884), (340, 55715), (374, 50650), (425, 44572), (550, 34442), (748, 25325), (850, 22286), (935, 20260), (1013, 18700), (1100, 17221), (1700, 11143), (1870, 10130), (2026, 9350), (3740, 5065), (4052, 4675)]