18758820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 56827008

約数和(自身を除く): 38068188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 53, 60, 68, 85, 102, 106, 159, 170, 204, 212, 255, 265, 318, 340, 347, 510, 530, 636, 694, 795, 901, 1020, 1041, 1060, 1388, 1590, 1735, 1802, 2082, 2703, 3180, 3470, 3604, 4164, 4505, 5205, 5406, 5899, 6940, 9010, 10410, 10812, 11798, 13515, 17697, 18020, 18391, 20820, 23596, 27030, 29495, 35394, 36782, 54060, 55173, 58990, 70788, 73564, 88485, 91955, 110346, 117980, 176970, 183910, 220692, 275865, 312647, 353940, 367820, 551730, 625294, 937941, 1103460, 1250588, 1563235, 1875882, 3126470, 3751764, 4689705, 6252940, 9379410, 18758820]

約数ペア:

[(1, 18758820), (2, 9379410), (3, 6252940), (4, 4689705), (5, 3751764), (6, 3126470), (10, 1875882), (12, 1563235), (15, 1250588), (17, 1103460), (20, 937941), (30, 625294), (34, 551730), (51, 367820), (53, 353940), (60, 312647), (68, 275865), (85, 220692), (102, 183910), (106, 176970), (159, 117980), (170, 110346), (204, 91955), (212, 88485), (255, 73564), (265, 70788), (318, 58990), (340, 55173), (347, 54060), (510, 36782), (530, 35394), (636, 29495), (694, 27030), (795, 23596), (901, 20820), (1020, 18391), (1041, 18020), (1060, 17697), (1388, 13515), (1590, 11798), (1735, 10812), (1802, 10410), (2082, 9010), (2703, 6940), (3180, 5899), (3470, 5406), (3604, 5205), (4164, 4505)]