19000980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 61410888

約数和(自身を除く): 42409908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 317, 324, 333, 370, 405, 444, 540, 555, 634, 666, 740, 810, 951, 999, 1110, 1268, 1332, 1585, 1620, 1665, 1902, 1998, 2220, 2853, 2997, 3170, 3330, 3804, 3996, 4755, 4995, 5706, 5994, 6340, 6660, 8559, 9510, 9990, 11412, 11729, 11988, 14265, 14985, 17118, 19020, 19980, 23458, 25677, 28530, 29970, 34236, 35187, 42795, 46916, 51354, 57060, 58645, 59940, 70374, 85590, 102708, 105561, 117290, 128385, 140748, 171180, 175935, 211122, 234580, 256770, 316683, 351870, 422244, 513540, 527805, 633366, 703740, 950049, 1055610, 1266732, 1583415, 1900098, 2111220, 3166830, 3800196, 4750245, 6333660, 9500490, 19000980]

約数ペア:

[(1, 19000980), (2, 9500490), (3, 6333660), (4, 4750245), (5, 3800196), (6, 3166830), (9, 2111220), (10, 1900098), (12, 1583415), (15, 1266732), (18, 1055610), (20, 950049), (27, 703740), (30, 633366), (36, 527805), (37, 513540), (45, 422244), (54, 351870), (60, 316683), (74, 256770), (81, 234580), (90, 211122), (108, 175935), (111, 171180), (135, 140748), (148, 128385), (162, 117290), (180, 105561), (185, 102708), (222, 85590), (270, 70374), (317, 59940), (324, 58645), (333, 57060), (370, 51354), (405, 46916), (444, 42795), (540, 35187), (555, 34236), (634, 29970), (666, 28530), (740, 25677), (810, 23458), (951, 19980), (999, 19020), (1110, 17118), (1268, 14985), (1332, 14265), (1585, 11988), (1620, 11729), (1665, 11412), (1902, 9990), (1998, 9510), (2220, 8559), (2853, 6660), (2997, 6340), (3170, 5994), (3330, 5706), (3804, 4995), (3996, 4755)]