19584680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 27771160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 347, 415, 664, 680, 694, 830, 1388, 1411, 1660, 1735, 2776, 2822, 3320, 3470, 5644, 5899, 6940, 7055, 11288, 11798, 13880, 14110, 23596, 28220, 28801, 29495, 47192, 56440, 57602, 58990, 115204, 117980, 144005, 230408, 235960, 288010, 489617, 576020, 979234, 1152040, 1958468, 2448085, 3916936, 4896170, 9792340, 19584680]

約数ペア:

[(1, 19584680), (2, 9792340), (4, 4896170), (5, 3916936), (8, 2448085), (10, 1958468), (17, 1152040), (20, 979234), (34, 576020), (40, 489617), (68, 288010), (83, 235960), (85, 230408), (136, 144005), (166, 117980), (170, 115204), (332, 58990), (340, 57602), (347, 56440), (415, 47192), (664, 29495), (680, 28801), (694, 28220), (830, 23596), (1388, 14110), (1411, 13880), (1660, 11798), (1735, 11288), (2776, 7055), (2822, 6940), (3320, 5899), (3470, 5644)]