19205910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 80

約数和(自身を含む): 52324272

約数和(自身を除く): 33118362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 131, 135, 162, 181, 262, 270, 362, 393, 405, 543, 655, 786, 810, 905, 1086, 1179, 1310, 1629, 1810, 1965, 2358, 2715, 3258, 3537, 3930, 4887, 5430, 5895, 7074, 8145, 9774, 10611, 11790, 14661, 16290, 17685, 21222, 23711, 24435, 29322, 35370, 47422, 48870, 53055, 71133, 73305, 106110, 118555, 142266, 146610, 213399, 237110, 355665, 426798, 640197, 711330, 1066995, 1280394, 1920591, 2133990, 3200985, 3841182, 6401970, 9602955, 19205910]

約数ペア:

[(1, 19205910), (2, 9602955), (3, 6401970), (5, 3841182), (6, 3200985), (9, 2133990), (10, 1920591), (15, 1280394), (18, 1066995), (27, 711330), (30, 640197), (45, 426798), (54, 355665), (81, 237110), (90, 213399), (131, 146610), (135, 142266), (162, 118555), (181, 106110), (262, 73305), (270, 71133), (362, 53055), (393, 48870), (405, 47422), (543, 35370), (655, 29322), (786, 24435), (810, 23711), (905, 21222), (1086, 17685), (1179, 16290), (1310, 14661), (1629, 11790), (1810, 10611), (1965, 9774), (2358, 8145), (2715, 7074), (3258, 5895), (3537, 5430), (3930, 4887)]