18989550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2258

約数の個数: 72

約数和(自身を含む): 53727960

約数和(自身を除く): 34738410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2221, 2850, 4275, 4442, 6663, 8550, 11105, 13326, 19989, 22210, 33315, 39978, 42199, 55525, 66630, 84398, 99945, 111050, 126597, 166575, 199890, 210995, 253194, 333150, 379791, 421990, 499725, 632985, 759582, 999450, 1054975, 1265970, 1898955, 2109950, 3164925, 3797910, 6329850, 9494775, 18989550]

約数ペア:

[(1, 18989550), (2, 9494775), (3, 6329850), (5, 3797910), (6, 3164925), (9, 2109950), (10, 1898955), (15, 1265970), (18, 1054975), (19, 999450), (25, 759582), (30, 632985), (38, 499725), (45, 421990), (50, 379791), (57, 333150), (75, 253194), (90, 210995), (95, 199890), (114, 166575), (150, 126597), (171, 111050), (190, 99945), (225, 84398), (285, 66630), (342, 55525), (450, 42199), (475, 39978), (570, 33315), (855, 22210), (950, 19989), (1425, 13326), (1710, 11105), (2221, 8550), (2850, 6663), (4275, 4442)]