18952380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11699}}^1$

素因数の和:11720

約数の個数: 60

約数和(自身を含む): 59459400

約数和(自身を除く): 40507020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11699, 23398, 35097, 46796, 58495, 70194, 105291, 116990, 140388, 175485, 210582, 233980, 315873, 350970, 421164, 526455, 631746, 701940, 947619, 1052910, 1263492, 1579365, 1895238, 2105820, 3158730, 3790476, 4738095, 6317460, 9476190, 18952380]

約数ペア:

[(1, 18952380), (2, 9476190), (3, 6317460), (4, 4738095), (5, 3790476), (6, 3158730), (9, 2105820), (10, 1895238), (12, 1579365), (15, 1263492), (18, 1052910), (20, 947619), (27, 701940), (30, 631746), (36, 526455), (45, 421164), (54, 350970), (60, 315873), (81, 233980), (90, 210582), (108, 175485), (135, 140388), (162, 116990), (180, 105291), (270, 70194), (324, 58495), (405, 46796), (540, 35097), (810, 23398), (1620, 11699)]