19104720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3461}}^1$

素因数の和:3500

約数の個数: 80

約数和(自身を含む): 61817472

約数和(自身を除く): 42712752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3461, 5520, 6922, 10383, 13844, 17305, 20766, 27688, 34610, 41532, 51915, 55376, 69220, 79603, 83064, 103830, 138440, 159206, 166128, 207660, 238809, 276880, 318412, 398015, 415320, 477618, 636824, 796030, 830640, 955236, 1194045, 1273648, 1592060, 1910472, 2388090, 3184120, 3820944, 4776180, 6368240, 9552360, 19104720]

約数ペア:

[(1, 19104720), (2, 9552360), (3, 6368240), (4, 4776180), (5, 3820944), (6, 3184120), (8, 2388090), (10, 1910472), (12, 1592060), (15, 1273648), (16, 1194045), (20, 955236), (23, 830640), (24, 796030), (30, 636824), (40, 477618), (46, 415320), (48, 398015), (60, 318412), (69, 276880), (80, 238809), (92, 207660), (115, 166128), (120, 159206), (138, 138440), (184, 103830), (230, 83064), (240, 79603), (276, 69220), (345, 55376), (368, 51915), (460, 41532), (552, 34610), (690, 27688), (920, 20766), (1104, 17305), (1380, 13844), (1840, 10383), (2760, 6922), (3461, 5520)]