19395870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 51395904

約数和(自身を除く): 32000034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1213, 1230, 1599, 2426, 2665, 3198, 3639, 5330, 6065, 7278, 7995, 12130, 15769, 15990, 18195, 31538, 36390, 47307, 49733, 78845, 94614, 99466, 149199, 157690, 236535, 248665, 298398, 473070, 497330, 646529, 745995, 1293058, 1491990, 1939587, 3232645, 3879174, 6465290, 9697935, 19395870]

約数ペア:

[(1, 19395870), (2, 9697935), (3, 6465290), (5, 3879174), (6, 3232645), (10, 1939587), (13, 1491990), (15, 1293058), (26, 745995), (30, 646529), (39, 497330), (41, 473070), (65, 298398), (78, 248665), (82, 236535), (123, 157690), (130, 149199), (195, 99466), (205, 94614), (246, 78845), (390, 49733), (410, 47307), (533, 36390), (615, 31538), (1066, 18195), (1213, 15990), (1230, 15769), (1599, 12130), (2426, 7995), (2665, 7278), (3198, 6065), (3639, 5330)]