19473640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 46604160

約数和(自身を除く): 27130520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 347, 460, 488, 610, 694, 920, 1220, 1388, 1403, 1735, 2440, 2776, 2806, 3470, 5612, 6940, 7015, 7981, 11224, 13880, 14030, 15962, 21167, 28060, 31924, 39905, 42334, 56120, 63848, 79810, 84668, 105835, 159620, 169336, 211670, 319240, 423340, 486841, 846680, 973682, 1947364, 2434205, 3894728, 4868410, 9736820, 19473640]

約数ペア:

[(1, 19473640), (2, 9736820), (4, 4868410), (5, 3894728), (8, 2434205), (10, 1947364), (20, 973682), (23, 846680), (40, 486841), (46, 423340), (61, 319240), (92, 211670), (115, 169336), (122, 159620), (184, 105835), (230, 84668), (244, 79810), (305, 63848), (347, 56120), (460, 42334), (488, 39905), (610, 31924), (694, 28060), (920, 21167), (1220, 15962), (1388, 14030), (1403, 13880), (1735, 11224), (2440, 7981), (2776, 7015), (2806, 6940), (3470, 5612)]