19451740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 53996544

約数和(自身を除く): 34544804

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 743, 748, 770, 935, 1190, 1309, 1486, 1540, 1870, 2380, 2618, 2972, 3715, 3740, 5201, 5236, 6545, 7430, 8173, 10402, 12631, 13090, 14860, 16346, 20804, 25262, 26005, 26180, 32692, 40865, 50524, 52010, 57211, 63155, 81730, 88417, 104020, 114422, 126310, 138941, 163460, 176834, 228844, 252620, 277882, 286055, 353668, 442085, 555764, 572110, 694705, 884170, 972587, 1144220, 1389410, 1768340, 1945174, 2778820, 3890348, 4862935, 9725870, 19451740]

約数ペア:

[(1, 19451740), (2, 9725870), (4, 4862935), (5, 3890348), (7, 2778820), (10, 1945174), (11, 1768340), (14, 1389410), (17, 1144220), (20, 972587), (22, 884170), (28, 694705), (34, 572110), (35, 555764), (44, 442085), (55, 353668), (68, 286055), (70, 277882), (77, 252620), (85, 228844), (110, 176834), (119, 163460), (140, 138941), (154, 126310), (170, 114422), (187, 104020), (220, 88417), (238, 81730), (308, 63155), (340, 57211), (374, 52010), (385, 50524), (476, 40865), (595, 32692), (743, 26180), (748, 26005), (770, 25262), (935, 20804), (1190, 16346), (1309, 14860), (1486, 13090), (1540, 12631), (1870, 10402), (2380, 8173), (2618, 7430), (2972, 6545), (3715, 5236), (3740, 5201)]