19498592

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 41286672

約数和(自身を除く): 21788080

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 73, 136, 146, 272, 292, 491, 544, 584, 982, 1168, 1241, 1964, 2336, 2482, 3928, 4964, 7856, 8347, 9928, 15712, 16694, 19856, 33388, 35843, 39712, 66776, 71686, 133552, 143372, 267104, 286744, 573488, 609331, 1146976, 1218662, 2437324, 4874648, 9749296, 19498592]

約数ペア:

[(1, 19498592), (2, 9749296), (4, 4874648), (8, 2437324), (16, 1218662), (17, 1146976), (32, 609331), (34, 573488), (68, 286744), (73, 267104), (136, 143372), (146, 133552), (272, 71686), (292, 66776), (491, 39712), (544, 35843), (584, 33388), (982, 19856), (1168, 16694), (1241, 15712), (1964, 9928), (2336, 8347), (2482, 7856), (3928, 4964)]