19781472

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 59415552

約数和(自身を除く): 39634080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 31, 32, 34, 46, 48, 51, 62, 68, 69, 92, 93, 96, 102, 124, 136, 138, 184, 186, 204, 248, 272, 276, 289, 368, 372, 391, 408, 496, 527, 544, 552, 578, 713, 736, 744, 782, 816, 867, 992, 1054, 1104, 1156, 1173, 1426, 1488, 1564, 1581, 1632, 1734, 2108, 2139, 2208, 2312, 2346, 2852, 2976, 3128, 3162, 3468, 4216, 4278, 4624, 4692, 5704, 6256, 6324, 6647, 6936, 8432, 8556, 8959, 9248, 9384, 11408, 12121, 12512, 12648, 13294, 13872, 16864, 17112, 17918, 18768, 19941, 22816, 24242, 25296, 26588, 26877, 27744, 34224, 35836, 36363, 37536, 39882, 48484, 50592, 53176, 53754, 68448, 71672, 72726, 79764, 96968, 106352, 107508, 143344, 145452, 159528, 193936, 206057, 212704, 215016, 286688, 290904, 319056, 387872, 412114, 430032, 581808, 618171, 638112, 824228, 860064, 1163616, 1236342, 1648456, 2472684, 3296912, 4945368, 6593824, 9890736, 19781472]

約数ペア:

[(1, 19781472), (2, 9890736), (3, 6593824), (4, 4945368), (6, 3296912), (8, 2472684), (12, 1648456), (16, 1236342), (17, 1163616), (23, 860064), (24, 824228), (31, 638112), (32, 618171), (34, 581808), (46, 430032), (48, 412114), (51, 387872), (62, 319056), (68, 290904), (69, 286688), (92, 215016), (93, 212704), (96, 206057), (102, 193936), (124, 159528), (136, 145452), (138, 143344), (184, 107508), (186, 106352), (204, 96968), (248, 79764), (272, 72726), (276, 71672), (289, 68448), (368, 53754), (372, 53176), (391, 50592), (408, 48484), (496, 39882), (527, 37536), (544, 36363), (552, 35836), (578, 34224), (713, 27744), (736, 26877), (744, 26588), (782, 25296), (816, 24242), (867, 22816), (992, 19941), (1054, 18768), (1104, 17918), (1156, 17112), (1173, 16864), (1426, 13872), (1488, 13294), (1564, 12648), (1581, 12512), (1632, 12121), (1734, 11408), (2108, 9384), (2139, 9248), (2208, 8959), (2312, 8556), (2346, 8432), (2852, 6936), (2976, 6647), (3128, 6324), (3162, 6256), (3468, 5704), (4216, 4692), (4278, 4624)]