19896426

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 52161408

約数和(自身を除く): 32264982

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 23, 33, 34, 46, 51, 66, 69, 99, 102, 138, 153, 187, 198, 207, 253, 257, 306, 374, 391, 414, 506, 514, 561, 759, 771, 782, 1122, 1173, 1518, 1542, 1683, 2277, 2313, 2346, 2827, 3366, 3519, 4301, 4369, 4554, 4626, 5654, 5911, 7038, 8481, 8602, 8738, 11822, 12903, 13107, 16962, 17733, 25443, 25806, 26214, 35466, 38709, 39321, 48059, 50886, 53199, 65021, 77418, 78642, 96118, 100487, 106398, 130042, 144177, 195063, 200974, 288354, 301461, 390126, 432531, 585189, 602922, 865062, 904383, 1105357, 1170378, 1808766, 2210714, 3316071, 6632142, 9948213, 19896426]

約数ペア:

[(1, 19896426), (2, 9948213), (3, 6632142), (6, 3316071), (9, 2210714), (11, 1808766), (17, 1170378), (18, 1105357), (22, 904383), (23, 865062), (33, 602922), (34, 585189), (46, 432531), (51, 390126), (66, 301461), (69, 288354), (99, 200974), (102, 195063), (138, 144177), (153, 130042), (187, 106398), (198, 100487), (207, 96118), (253, 78642), (257, 77418), (306, 65021), (374, 53199), (391, 50886), (414, 48059), (506, 39321), (514, 38709), (561, 35466), (759, 26214), (771, 25806), (782, 25443), (1122, 17733), (1173, 16962), (1518, 13107), (1542, 12903), (1683, 11822), (2277, 8738), (2313, 8602), (2346, 8481), (2827, 7038), (3366, 5911), (3519, 5654), (4301, 4626), (4369, 4554)]