19299760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 49657536

約数和(自身を除く): 30357776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 617, 680, 782, 920, 1234, 1360, 1564, 1840, 1955, 2468, 3085, 3128, 3910, 4936, 6170, 6256, 7820, 9872, 10489, 12340, 14191, 15640, 20978, 24680, 28382, 31280, 41956, 49360, 52445, 56764, 70955, 83912, 104890, 113528, 141910, 167824, 209780, 227056, 241247, 283820, 419560, 482494, 567640, 839120, 964988, 1135280, 1206235, 1929976, 2412470, 3859952, 4824940, 9649880, 19299760]

約数ペア:

[(1, 19299760), (2, 9649880), (4, 4824940), (5, 3859952), (8, 2412470), (10, 1929976), (16, 1206235), (17, 1135280), (20, 964988), (23, 839120), (34, 567640), (40, 482494), (46, 419560), (68, 283820), (80, 241247), (85, 227056), (92, 209780), (115, 167824), (136, 141910), (170, 113528), (184, 104890), (230, 83912), (272, 70955), (340, 56764), (368, 52445), (391, 49360), (460, 41956), (617, 31280), (680, 28382), (782, 24680), (920, 20978), (1234, 15640), (1360, 14191), (1564, 12340), (1840, 10489), (1955, 9872), (2468, 7820), (3085, 6256), (3128, 6170), (3910, 4936)]