18968940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6199}}^1$

素因数の和:6231

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 41964660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6199, 12398, 18597, 24796, 30995, 37194, 55791, 61990, 74388, 92985, 105383, 111582, 123980, 185970, 210766, 223164, 278955, 316149, 371940, 421532, 526915, 557910, 632298, 948447, 1053830, 1115820, 1264596, 1580745, 1896894, 2107660, 3161490, 3793788, 4742235, 6322980, 9484470, 18968940]

約数ペア:

[(1, 18968940), (2, 9484470), (3, 6322980), (4, 4742235), (5, 3793788), (6, 3161490), (9, 2107660), (10, 1896894), (12, 1580745), (15, 1264596), (17, 1115820), (18, 1053830), (20, 948447), (30, 632298), (34, 557910), (36, 526915), (45, 421532), (51, 371940), (60, 316149), (68, 278955), (85, 223164), (90, 210766), (102, 185970), (153, 123980), (170, 111582), (180, 105383), (204, 92985), (255, 74388), (306, 61990), (340, 55791), (510, 37194), (612, 30995), (765, 24796), (1020, 18597), (1530, 12398), (3060, 6199)]