19341520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 50711040

約数和(自身を除く): 31369520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 709, 880, 1240, 1364, 1418, 1705, 2480, 2728, 2836, 3410, 3545, 5456, 5672, 6820, 7090, 7799, 11344, 13640, 14180, 15598, 21979, 27280, 28360, 31196, 38995, 43958, 56720, 62392, 77990, 87916, 109895, 124784, 155980, 175832, 219790, 241769, 311960, 351664, 439580, 483538, 623920, 879160, 967076, 1208845, 1758320, 1934152, 2417690, 3868304, 4835380, 9670760, 19341520]

約数ペア:

[(1, 19341520), (2, 9670760), (4, 4835380), (5, 3868304), (8, 2417690), (10, 1934152), (11, 1758320), (16, 1208845), (20, 967076), (22, 879160), (31, 623920), (40, 483538), (44, 439580), (55, 351664), (62, 311960), (80, 241769), (88, 219790), (110, 175832), (124, 155980), (155, 124784), (176, 109895), (220, 87916), (248, 77990), (310, 62392), (341, 56720), (440, 43958), (496, 38995), (620, 31196), (682, 28360), (709, 27280), (880, 21979), (1240, 15598), (1364, 14180), (1418, 13640), (1705, 11344), (2480, 7799), (2728, 7090), (2836, 6820), (3410, 5672), (3545, 5456)]