19797050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 47913600

約数和(自身を除く): 28116550

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 130, 133, 175, 182, 190, 229, 247, 266, 325, 350, 455, 458, 475, 494, 650, 665, 910, 950, 1145, 1235, 1330, 1603, 1729, 2275, 2290, 2470, 2977, 3206, 3325, 3458, 4351, 4550, 5725, 5954, 6175, 6650, 8015, 8645, 8702, 11450, 12350, 14885, 16030, 17290, 20839, 21755, 29770, 30457, 40075, 41678, 43225, 43510, 56563, 60914, 74425, 80150, 86450, 104195, 108775, 113126, 148850, 152285, 208390, 217550, 282815, 304570, 395941, 520975, 565630, 761425, 791882, 1041950, 1414075, 1522850, 1979705, 2828150, 3959410, 9898525, 19797050]

約数ペア:

[(1, 19797050), (2, 9898525), (5, 3959410), (7, 2828150), (10, 1979705), (13, 1522850), (14, 1414075), (19, 1041950), (25, 791882), (26, 761425), (35, 565630), (38, 520975), (50, 395941), (65, 304570), (70, 282815), (91, 217550), (95, 208390), (130, 152285), (133, 148850), (175, 113126), (182, 108775), (190, 104195), (229, 86450), (247, 80150), (266, 74425), (325, 60914), (350, 56563), (455, 43510), (458, 43225), (475, 41678), (494, 40075), (650, 30457), (665, 29770), (910, 21755), (950, 20839), (1145, 17290), (1235, 16030), (1330, 14885), (1603, 12350), (1729, 11450), (2275, 8702), (2290, 8645), (2470, 8015), (2977, 6650), (3206, 6175), (3325, 5954), (3458, 5725), (4351, 4550)]