18959850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:501

約数の個数: 144

約数和(自身を含む): 62829312

約数和(自身を除く): 43869462

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 42, 45, 50, 63, 65, 70, 75, 78, 90, 91, 105, 117, 126, 130, 150, 175, 182, 195, 210, 225, 234, 273, 315, 325, 350, 390, 450, 455, 463, 525, 546, 585, 630, 650, 819, 910, 926, 975, 1050, 1170, 1365, 1389, 1575, 1638, 1950, 2275, 2315, 2730, 2778, 2925, 3150, 3241, 4095, 4167, 4550, 4630, 5850, 6019, 6482, 6825, 6945, 8190, 8334, 9723, 11575, 12038, 13650, 13890, 16205, 18057, 19446, 20475, 20835, 23150, 29169, 30095, 32410, 34725, 36114, 40950, 41670, 42133, 48615, 54171, 58338, 60190, 69450, 81025, 84266, 90285, 97230, 104175, 108342, 126399, 145845, 150475, 162050, 180570, 208350, 210665, 243075, 252798, 270855, 291690, 300950, 379197, 421330, 451425, 486150, 541710, 631995, 729225, 758394, 902850, 1053325, 1263990, 1354275, 1458450, 1895985, 2106650, 2708550, 3159975, 3791970, 6319950, 9479925, 18959850]

約数ペア:

[(1, 18959850), (2, 9479925), (3, 6319950), (5, 3791970), (6, 3159975), (7, 2708550), (9, 2106650), (10, 1895985), (13, 1458450), (14, 1354275), (15, 1263990), (18, 1053325), (21, 902850), (25, 758394), (26, 729225), (30, 631995), (35, 541710), (39, 486150), (42, 451425), (45, 421330), (50, 379197), (63, 300950), (65, 291690), (70, 270855), (75, 252798), (78, 243075), (90, 210665), (91, 208350), (105, 180570), (117, 162050), (126, 150475), (130, 145845), (150, 126399), (175, 108342), (182, 104175), (195, 97230), (210, 90285), (225, 84266), (234, 81025), (273, 69450), (315, 60190), (325, 58338), (350, 54171), (390, 48615), (450, 42133), (455, 41670), (463, 40950), (525, 36114), (546, 34725), (585, 32410), (630, 30095), (650, 29169), (819, 23150), (910, 20835), (926, 20475), (975, 19446), (1050, 18057), (1170, 16205), (1365, 13890), (1389, 13650), (1575, 12038), (1638, 11575), (1950, 9723), (2275, 8334), (2315, 8190), (2730, 6945), (2778, 6825), (2925, 6482), (3150, 6019), (3241, 5850), (4095, 4630), (4167, 4550)]