19175850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1052

約数の個数: 72

約数和(自身を含む): 52770432

約数和(自身を除く): 33594582

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 991, 1075, 1290, 1935, 1982, 2150, 2973, 3225, 3870, 4955, 5946, 6450, 8919, 9675, 9910, 14865, 17838, 19350, 24775, 29730, 42613, 44595, 49550, 74325, 85226, 89190, 127839, 148650, 213065, 222975, 255678, 383517, 426130, 445950, 639195, 767034, 1065325, 1278390, 1917585, 2130650, 3195975, 3835170, 6391950, 9587925, 19175850]

約数ペア:

[(1, 19175850), (2, 9587925), (3, 6391950), (5, 3835170), (6, 3195975), (9, 2130650), (10, 1917585), (15, 1278390), (18, 1065325), (25, 767034), (30, 639195), (43, 445950), (45, 426130), (50, 383517), (75, 255678), (86, 222975), (90, 213065), (129, 148650), (150, 127839), (215, 89190), (225, 85226), (258, 74325), (387, 49550), (430, 44595), (450, 42613), (645, 29730), (774, 24775), (991, 19350), (1075, 17838), (1290, 14865), (1935, 9910), (1982, 9675), (2150, 8919), (2973, 6450), (3225, 5946), (3870, 4955)]